2018781388

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{157177}}^1$

素因数の和:157226

約数の個数: 36

約数和(自身を含む): 4026900360

約数和(自身を除く): 2008118972

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6422, 12844, 157177, 314354, 628708, 2043301, 2986363, 4086602, 5972726, 8173204, 11945452, 26562913, 38822719, 53125826, 77645438, 106251652, 155290876, 504695347, 1009390694, 2018781388]

約数ペア:

[(1, 2018781388), (2, 1009390694), (4, 504695347), (13, 155290876), (19, 106251652), (26, 77645438), (38, 53125826), (52, 38822719), (76, 26562913), (169, 11945452), (247, 8173204), (338, 5972726), (494, 4086602), (676, 2986363), (988, 2043301), (3211, 628708), (6422, 314354), (12844, 157177)]